Solo-mixer



FIG. 1 is a left side perspective view of the solo-mixer;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof; and

FIG. 4 is a left side view thereof.

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for a solo-mixer, as shown and described. 